RTLPar.v

- - -
(*
- * Vericert: Verified high-level synthesis.
- * Copyright (C) 2020 Yann Herklotz <yann@yannherklotz.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- *)
-
-From compcert Require Import Coqlib Maps.
-From compcert Require Import AST Integers Values Events Memory Globalenvs Smallstep.
-From compcert Require Import Op Registers.
-
-Definition node := positive.
-
-Inductive instruction : Type :=
-| RPnop : instruction
-| RPop : operation -> list reg -> reg -> instruction
-| RPload : memory_chunk -> addressing -> list reg -> reg -> instruction
-| RPstore : memory_chunk -> addressing -> list reg -> reg -> instruction.
-
-Definition bblock_body : Type := list (list instruction).
-
-Inductive control_flow_inst : Type :=
-| RPcall : signature -> reg + ident -> list reg -> reg -> node -> control_flow_inst
-| RPtailcall : signature -> reg + ident -> list reg -> control_flow_inst
-| RPbuiltin : external_function -> list (builtin_arg reg) ->
-              builtin_res reg -> node -> control_flow_inst
-| RPcond : condition -> list reg -> node -> node -> control_flow_inst
-| RPjumptable : reg -> list node -> control_flow_inst
-| RPreturn : option reg -> control_flow_inst
-| RPgoto : node -> control_flow_inst.
-
-Record bblock : Type := mk_bblock {
-    bb_body: bblock_body;
-    bb_exit: option control_flow_inst
-  }.
-
-Definition code : Type := PTree.t bblock.
-
-Record function: Type := mkfunction {
-  fn_sig: signature;
-  fn_params: list reg;
-  fn_stacksize: Z;
-  fn_code: code;
-  fn_entrypoint: node
-}.
-
-Definition fundef := AST.fundef function.
-
-Definition program := AST.program fundef unit.
-
-Definition funsig (fd: fundef) :=
-  match fd with
-  | Internal f => fn_sig f
-  | External ef => ef_sig ef
-  end.
-
-Definition successors_instr (i : control_flow_inst) : list node :=
-  match i with
-  | RPcall sig ros args res s => s :: nil
-  | RPtailcall sig ros args => nil
-  | RPbuiltin ef args res s => s :: nil
-  | RPcond cond args ifso ifnot => ifso :: ifnot :: nil
-  | RPjumptable arg tbl => tbl
-  | RPreturn optarg => nil
-  | RPgoto n => n :: nil
-  end.
-
-(*Inductive state : Type :=
-  | State:
-      forall (stack: list stackframe) (**r call stack *)
-             (f: function)            (**r current function *)
-             (sp: val)                (**r stack pointer *)
-             (pc: node)               (**r current program point in [c] *)
-             (rs: regset)             (**r register state *)
-             (m: mem),                (**r memory state *)
-      state
-  | Callstate:
-      forall (stack: list stackframe) (**r call stack *)
-             (f: fundef)              (**r function to call *)
-             (args: list val)         (**r arguments to the call *)
-             (m: mem),                (**r memory state *)
-      state
-  | Returnstate:
-      forall (stack: list stackframe) (**r call stack *)
-             (v: val)                 (**r return value for the call *)
-             (m: mem),                (**r memory state *)
-      state.
-*)